Devourer
There's a bunch of reason this item is unbalanced and doesn't belong in the game
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It's a jungle only item where as every other jungle item a laner cam get a different version of
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It deals magic damage and is mostly only viable for ad champions
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It applies on hit effects twice which is totally overpowered on champions that already on hit twice like shyvanna and yi. If timed right it's a quadrupled strike or trippled stike. I can't do the math that fast.
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The damage alone from and an on hit item it is enough to build tanky and be unstoppable.
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Try this experiment. Get a yi on 2 computers. One with witts end and one with devourer and have them fight. Witts end wins. Try it again with sated devourer. It's pathetic.